Search Results - "Gasparic, Jiri"

A simple, optimized method for the determination of sulphide in whole blood by GC–MS as a marker of bowel fermentation processes by Hyspler, Radomir, Ticha, Alena, Indrova, Monika, Zadak, Zdenek, Hysplerova, Lidmila, Gasparic, Jiri, Churacek, Jaroslav

“…Hydrogen sulphide is produced in human large intestine by anaerobic fermentation and may play a pathogenic role. An analytical method for determination of…”
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Determination of isoprene in human expired breath using solid-phase microextraction and gas chromatography–mass spectrometry by Hyspler, R, Crhová, S, Gasparic, J, Zadák, Z, Cízková, M, Balasová, V

“…An analytical method for determination of isoprene in expired breath as a marker of body cholesterol synthesis was developed with a special emphasis on breath…”
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Photometric determination of 2,2-isopropylidenebis-phenol (dian) by reaction with nitrous acid: Identification of the chromogen by Gasparič, Jiří, Koula, Václav

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Investigation of the colour reaction of phenols with MBTH, II: Properties of the isolated products of the reaction with phenol, 2,6-dimethylphenol and 4-methylphenol by Pospíšilová, Marie, Svobodová, Drahomíra, Gasparič, Jiří, Macháček, Miloš

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Determination of organic bases by ion-pair extraction polarography using orange II as counter ion by KOULA, V, KUCOVA, D, GASPARIC, J

“…The combination of ion-pair extraction and differential pulse polarography is shown to be a method suitable for the determination of 10 -7 mol l -1…”
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Formation of acetals and cleavage of the five-membered ring in the bromination of isatin in alcohols by GASPARIC, J, VONTOR, T, LYCKA, A, SNOBL, D

“…Bromination of isatin ( I ) in alcohols affords in good yield 5,7-dibromo-3,3-dialkoxy-2-indolinones ( IIIa and IIIb ) which arise by reaction catalysed with…”
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High-performance liquid chromatographic determination of methoxsalen in plasma after liquid-solid extraction by Kucová, D, Marysková, D, Davídková, P, Gasparic, J

“…An improved method suitable for the determination of 8-methoxypsoralen in the range 50-1500 ng/ml in the plasma of psoriatic patients undergoing PUVA…”
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Products of the acid hydrolysis of 7-chloro-1,3-dihydro-3-hydroxy-5-phenyl-2H-1,4-benzodiazepin-2-one (oxazepam) by Gasparič, Jiří, Zimák, Jiří, Sedmera, Petr, Breberová, Zdeňka, Volke, Jiří

“…The acid hydrolysis of oxazepam ( Ib ) was studied. Under various reaction conditions 6-chloro-4-phenylquinazoline-2-carbaldehyde ( V ) and the compounds VI…”
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